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Texas Instruments Technical Resources - Power Management

Texas instruments logo 300.jpgYou Design. We Help. The TI Technical Resources Centre on Electronics Weekly provides design engineers with access to resource guides, videos, articles and catalogues that provide you with valuable information on TI's services, product offerings, product applications and expertise. This is the Power Management section.

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Papers

Battery Management Solutions Guide Battery Management Solutions Guide
Texas Instruments (TI) offers complete battery-management portfolio with a full line of high-performance products. These products range from battery chargers to highly-efficient battery fuel gauges. Also included are power protection, authentication, and alternative charging sources such as solar and wireless power. Included in this selection guide you will find design factors, featured products, graphical representations of portfolios and parametric tables.

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Point-of-Load (POL) Power Solutions for Industrial Designs (Rev. A) Point-of-Load (POL) Power Solutions for Industrial Designs (Rev. A)
Download the Point-of-Load (POL) Power Solutions for Industrial Designs (Rev. A)

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NexFET and Power Block for Intel Embedded Computing Platforms NexFET and Power Block for Intel Embedded Computing Platforms
NexFET and Power Block for Intel Embedded Computing Platforms.

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TI Solutions for Tablets and eBooks TI Solutions for Tablets and eBooks
Texas Instruments (TI) offers a variety of semiconductor solutions for tablets and eBooks. The OMAP™ processor shown in the system diagram perfectly balances power and performance to give designers and end users an optimal multimedia solution.

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Using External Soft Start Circuit for UCC2806x Using External Soft Start Circuit for UCC2806x
Using External Soft Start Circuit for UCC2806x

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WinCE/Linux/Android Drivers for bq275xx Fuel Gauge WinCE/Linux/Android Drivers for bq275xx Fuel Gauge
The bq275xx gas gauge integrated circuits (IC) can use an I2C line for communication with the host system. It is necessary to allow application-layer software on the host system to access parameters made available by the gas gauge IC. Multiple levels of abstraction are between the gauge and a given application. This document describes an example implementation of each of these layers in an effort to provide a programming model for real-world implementations.

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16-Channel, Constant-Current LED driver with 4-Channel Grouped Delay 16-Channel, Constant-Current LED driver with 4-Channel Grouped Delay
The TLC59282 is a 16-channel, constant-current sink driver. Each channel can be individually controlled via a simple serial communications protocol that is compatible with 3.3 V or 5 V CMOS logic levels, depending on the operating VCC.

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An Introduction to the Wireless Power Consortium Standard and TI’s Solutions An Introduction to the Wireless Power Consortium Standard and TI’s Solutions
Wireless power is beginning to show great potential in the consumer market. The ability to power an electronic device without the use of wires provides a convenient solution for the users of portable devices and also gives designers the ability to develop more creative answers to problems. This technology’s benefits can be seen in the many portable devices, from cell phones to electric cars, that normally operate on battery power.

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Energy Harvesting: Solar Energy Harvesting: Solar
TI’s comprehensive solar energy harvesting portfolio can deliver the entire solar system solution. A broad selection of analog, power management and microcontroller ICs are targeted at grid-tied central inverters, micro-converters and micro-inverters, as well as off-grid battery charging solutions, to maximize the power point and provide the highest possible system efficiency.

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Fine tuning TI's Impedance Track™ battery fuel gauge with LiFePO4 cells in shallow-discharge applications Fine tuning TI's Impedance Track™ battery fuel gauge with LiFePO4 cells in shallow-discharge applications
The Impedance Track™ battery-fuelgauging technology from Texas Instruments (TI) is a powerful adaptive algorithm that learns how a battery’s characteristics change over time. Combining this algorithm with knowledge of the battery pack’s specific chemistry permits a very accurate determination of the battery’s state of charge (SOC) for the life of the pack.

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Integrated Wireless Power Receiver Solution, Qi (WPC) Compliant Integrated Wireless Power Receiver Solution, Qi (WPC) Compliant
The bq51013 is an advanced, integrated, receiver IC for wireless power transfer in portable applications. The device provides the AC/DC power conversion while integrating the digital control required to comply with the Qi v1.0 communication protocol.

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Introduction to Photovoltaic Systems Maximum Power Point Tracking Introduction to Photovoltaic Systems Maximum Power Point Tracking
Photovoltaic (PV) systems have been used for many decades. Today, with the focus on greener sources of power, PV has become an important source of power for a wide range of applications. Improvements in converting light energy into electrical energy as well as the cost reductions have helped create this growth. Even with higher efficiency and lower cost, the goal remains to maximize the power from the PV system under various lighting conditions.

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Single-Stage PFC Driver Controller for LED Lighting Single-Stage PFC Driver Controller for LED Lighting
The TPS92210 is a natural power factor correction (PFC) light emmitting diode (LED) lighting driver controller with advanced energy features to provide high efficiency control for LED lighting applications.

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Synchronous Switch-Mode Battery Charge Controller for Solar Power Synchronous Switch-Mode Battery Charge Controller for Solar Power
The bq24650 is a highly integrated switch-mode battery charge controller. It provides input voltage regulation, which reduces charge current when input voltage falls below a programmed level. When the input is powered by a solar panel, the input regulation loop lowers the charge current so that the solar panel can provide maximum power output.

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Understanding Photovoltaics and the Market Forces Behind Them Understanding Photovoltaics and the Market Forces Behind Them
Forecasted demand in energy is expected to double through 2030 and could outstrip supply. Furthermore, with increasing energy prices in history, advancements in “clean/green technologies” is creating a wave of opportunity. The last 2 to 3 decades of improvement have made alternative energies more attractive and less expensive. Solar industry is the fastest growing segment in the alternative energy sector where global resources are plentiful. The market and the technology of the solar industry is discussed in this application note.

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NexFET™ Power MOSFET Quick Reference Guide NexFET™ Power MOSFET Quick Reference Guide
Today’s designers of high-power computing, networking, server systems and power supplies face increasingly stringent energy-efficient requirements. TI’s NexFET™ Power MOSFETs improve energy efficiency in endequipment designs.

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TPS82671 Data Sheet TPS82671 Data Sheet
The TPS8267x device is a complete 600mA, DC/DC step-down power supply intended for low-power applications. Included in the package are the switching regulator, inductor and input/output capacitors. No additional components are required to finish the design.

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TPS84620 Data Sheet TPS84620 Data Sheet
The TPS84620RUQ is an easy-to-use integrated power solution that combines a 6-A DC/DC converter with power MOSFETs, an inductor, and passives into a low profile, BQFN package. This total power solution allows as few as 3 external components and eliminates the loop compensation and magnetics part selection process.

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Power Management for Altera FPGAs Quick Reference Guide Power Management for Altera FPGAs Quick Reference Guide
Texas Instruments’ power solutions that support Altera FPGAs and CPLDs, including Stratix, Cyclone, Arria, Arria II, HardCopy and MAX II devices.

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Synchronous Buck NexFET™ Power Block Data Sheet Synchronous Buck NexFET™ Power Block Data Sheet
"The CSD86350Q5D NexFET™ power block is an optimized design for synchronous buck applications offering high current, high efficiency, and high frequency capability in a small 5-mm × 6-mm outline."

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Li-ion battery-charger solutions for JEITA compliance Li-ion battery-charger solutions for JEITA compliance
Lithium-ion (Li-ion) batteries tend to become dangerous when they are overcharged at high temperatures. Safely charging these batteries has become one of the most important design specifications in battery-powered portable equipment.

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DC/DC Converters Quick Reference Guide DC/DC Converters Quick Reference Guide
Featured TPS40K™ DC/DC controllers, DC/DC converters with integrated FETs, including SWIFT™ converters and the TPS62K/TPS65K family, intended for low-power portable applications.

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Creating GSM /GPRS Power Supply from TPS54260 Creating GSM /GPRS Power Supply from TPS54260
"This application report describes how to design power supply for a Global System for Mobile Communications (GSM)/ General Packet Radio Service (GPRS) module."

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BQ24640: High Efficiency Synchronous Switch-Mode Battery Charge Controller for Super Capacitor BQ24640: High Efficiency Synchronous Switch-Mode Battery Charge Controller for Super Capacitor
The bq24640 is highly integrated switch-mode super capacitor charge controller. It offers a constant- frequency synchronous PWM controller with high accuracy charge current and voltage regulation, and charge status monitoring.

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TPS54620 Data Sheet TPS54620 Data Sheet
"The TPS54620 in thermally enhanced 3.5mm x 3.5mm QFN package is a full featured 17V, 6A synchronous step down converter which is optimized for small designs through high efficiency and integrating the high-side and low-side MOSFETs."

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Power Management Units for Embedded Processors
The TPS65K family of power management units (PMUs) offers complete solutions for a wide range of processor-based applications. The latest PMU generation includes stereo audio codecs and high-speed USB 2.0 on-the-go (OTG).

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Power Management Solutions for Stellaris ARM CortexTM-M3 MCUs
TI’s Stellaris is the industry’s leading family of robust, real-time microcontrollers (MCUs) based on the revolutionary Cortex-M3 technology from ARM. Depending on system constraints such as battery operation, cost sensitivity or need for highest efficiency, TI offers optimized products to power Stellaris MCU-based systems.

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Power Management Solutions for Ultra-Low-Power 16-bit MSP430TM MCUs
TI’s MSP430 family of ultra-low power MCUs consists of several devices featuring different sets of peripherals targeted for various applications.

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2010 Hybrid & Electric Vehicle Guide 2010 Hybrid & Electric Vehicle Guide
The HEV Solutions Guide is intended to help you explore TI's IC solutions as the various sectors become increasingly electrified on a path toward energy efficiency and sustainability.

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TI's 2010 Power Management Selection Guide
TI's 2010 Power Management Selection Guide includes featured products, design factors and easy selector tables. Download the guide today.

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TI's New LED Reference Design Cookbook
The LED Reference Design Cookbook contains 17 reference designs and is designed to provide you with a valuable tool to help you solve your lighting design needs.

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DC/DC Converters Quick Reference Guide
Featured TPS40K DC/DC controllers, DC/DC converters with integrated FETs, including SWIFT converters and the TPS62K/TPS65K family, intended for low-power portable applications.

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Power Management Units for Embedded Processors
The TPS65K family of power management units (PMUs) offers complete solutions for a wide range of processor-based applications. The latest PMU generation includes stereo audio codecs and high-speed USB 2.0 on-the-go (OTG).

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SWIFT and Step-down DC/DC converters
TI’s SWIFT family of synchronous, step-down DC/DC converters for point-of-load designs are highly efficient power management Ics. The selector guide provides complete details on the product family.

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Designing DC/DC converters based on ZETA topology Designing DC/DC converters based on ZETA topology
"Similar to the SEPIC DC/DC converter topology, the ZETA converter topology provides a positive output voltage from an input voltage that varies above and below the output voltage."

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Videos

Power Tip 17: Snubbing the Flyback Converter Power Tip 17: Snubbing the Flyback Converter
In this Power Tip Robert Kollman talks about snubbing the flyback converter

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Power Tip 20: Watch those unintended resonant responses Power Tip 20: Watch those unintended resonant responses
In this Power Tip Robert Kollman discusses unintended resonant responses in the system.

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Power Tip 21: Watch that capcitor RMS ripple current rating! Power Tip 21: Watch that capcitor RMS ripple current rating!
In this Power Tip Robert Kollman discusses a mistake designer make often and that is putting too much ripple current into a capacitor that may shorten its lifetime.

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Power Tip 36: Higher voltage LEDs improve efficiency Power Tip 36: Higher voltage LEDs improve efficiency
In this Power Tip Robert Kollman discusses driving high voltage LEDs offline.

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Power Tip 37: Trade Line Range for Input Capacitor Power Tip 37: Trade Line Range for Input Capacitor
In this Power Tip Robert Kollman discusses the trade line range for input capacitor ripple current

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Power Tip 38: Simple Latch Circuit Protects Power Supplies Power Tip 38: Simple Latch Circuit Protects Power Supplies
In this Power Tip Robert Kollman discusses how simple latch circuits protect power suppliers

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PowerStack™ Packaging Technology Overview PowerStack™ Packaging Technology Overview
TI's PowerStack™ packaging technology is a unique stacked clip QFN approach, used in power management products targeted at number of high performance applications such as computing and telecommunications. In this video, learn how PowerStack technology is reducing power, increasing performance and improving density in TI products that are available today.

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Choosing the Right Charger IC Training Choosing the Right Charger IC Training
This presentation will give you an overview on TI charger ICs and help you select the most fit parts for your battery charger system.

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Power over Ethernet Training Power over Ethernet Training
Power over Ethernet is an introduction to powering your Ethernet connected applications using the Ethernet cable without the need of additional external power supplies. What is behind it and what solutions Texas Instruments is offering.

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Power Stage DesignerTM Tool 2.0 Power Stage DesignerTM Tool 2.0
The Power Stage DesignerTM Tool 2.0 is a software to help power designers calculate and analyze the voltage and current (power stage) of the most commonly used switch mode power supplies.

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Power Tip 34: Design a simple isolated bias supply Power Tip 34: Design a simple isolated bias supply
In this Power Tip Robert Kollman discusses how to design a simple, isolated bias supply. For the entire Power Tips article series, visit Power Management DesignLine and search: Power Tips.

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Power Tip: Current distribution in high frequency conductors Power Tip: Current distribution in high frequency conductors
In this Power Tip Robert Kollman discusses current distribution in high frequency conductors. For the entire Power Tips article series, visit Power Management DesignLine and search: Power Tips.

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Power Tip: Estimating transient temperature in a MOSFET Power Tip: Estimating transient temperature in a MOSFET
In this Power Tip Robert Kollman discusses how to estimate transient temperature in a MOSFET. For the entire Power Tips article series, visit Power Management DesignLine and search: Power Tips.

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Getting started with the bqTESLA wireless power kit Getting started with the bqTESLA wireless power kit
The bqTESLA150LP low power wireless power evaluation kit from Texas Instruments is a high performance, easy-to-use development kit for the design of wireless power solutions. Consisting of a single-channel transmitter featuring the bq500110 along with 5V power supply receiver featuring the bq51013, the kit enables designers to speed development of their end applications. The bq51013 device is a highly integrated solution in a 1.9mm X 3mm chip scale package. Few external parts are required which simplify design and minimizes solution area. With no additional software development required, bqTESLA allows for true plug-and-play functionality. The evaluation kit is designed for compatibility with the Qi Standard. The bqTESLA150lp Kit is made up of two separate EVMs, Receiver EVM is the bq51013EVM-725 and Transmitter is bq500110EVM-688. User’s guide for each EVM is listed below, operating instructions for the Receiver and Transmitter operating to together is as a kit is also contained in each user’s guide. Also each individual EVM will operate with other Qi compatible devices.

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High-Current SWIFT™ TPS56221 High-Current SWIFT™ TPS56221
High-Current SWIFT™ TPS56221 25A, 14V High Efficiency Buck Converter.

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Power Tips 32 and 33: Beware of circulating currents Power Tips 32 and 33: Beware of circulating currents
In this Power Tip Robert Kollman discusses why you should beware of circulating currents in a SEPIC coupled inductor. For the entire Power Tips article series, visit Power Management DesignLine and search: Power Tips.

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Power Tip 31: Pick the right resistance ratio of MOSFETs Power Tip 31: Pick the right resistance ratio of MOSFETs
In this Power Tip Robert Kollman, Senior Applications Manager at TI, looks at three common error amplifier pitfalls. These are typical mistakes a new designer will make in error amplifier design.

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Power Tip 30: Low voltage buck ICs Power Tip 30: Low voltage buck ICs
In this Power Tip Robert Kollman takes a look at synchronous buck regulator and how you might divide the cost of the two MOSFETs in the Power Stage. For the entire Power Tips article series, visit Power Management DesignLine and search: Power Tips.

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TI Solutions for the Solar Power Market TI Solutions for the Solar Power Market
Soaring and fluctuating fossil fuel prices have become a reality reflecting our strong dependence on fossil fuels. Furthermore, the forecasted demand in energy is expected to double through 2030 and could outstrip supply, resulting in an anticipated increase in energy prices.

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High-Current SWIFT™ TPS56221 High-Current SWIFT™ TPS56221
High-Current SWIFT™ TPS56221 25A, 14V High Efficiency Buck Converter

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LED Lighting for Building Decoration - TLC5971 LED Lighting for Building Decoration - TLC5971
The TLC5971 with a 12-Channel, 16-Bit ES-PWM LED Driver with 7-bit global brightness control. This device has 3RGBW or 4 RGB pixel control, a 3-17V operating range and no limit cascading of LED drivers.

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LED Lighting for Building Decoration Demo - TLC5970 LED Lighting for Building Decoration Demo - TLC5970
In this video, John Perry demos the 3-Channel (single pixel), 12-Bit PWM LED driver with buck DC-DC converter. This device has a 4.75-36V operating range, 150mA DC LED current and differential communication protocol for wide pixel spacing.

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Power Tip 22: Avoid these common error amplifier pitfalls Power Tip 22: Avoid these common error amplifier pitfalls
In this Power Tip Robert Kollman, Senior Applications Manager at TI, looks at three common error amplifier pitfalls. These are typical mistakes a new designer will make in error amplifier design.

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Power Tip 27: Parallel power supplies with droop method Power Tip 27: Parallel power supplies with droop method
This Power Tip Robert Kollman, Senior Applications Manager at TI, looks at paralleling power supplies with the droop method.

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Power Tips 18: Regulator output-voltage accuracy Power Tips 18: Regulator output-voltage accuracy
In this Power Tip Robert Kollman, Senior Applications Manager at TI, looks at your regulator's output-voltage accuracy and explains why it may not be as bad as you think! For the entire Power Tips article series, visit Power Management DesignLine and search: Power Tips.

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TI @ APEC2011: Digital Power Conversion with C2000™ MCUs TI @ APEC2011: Digital Power Conversion with C2000™ MCUs
Digital power development boards, featuring a MPPT (maximum power point tracking) boost DC/DC + Isolated LLC board based on C2000™ Piccolo™ MCUs. Coupled with a Grid-Tied DC/AC converter, also based on Piccolo MCUs.

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TI @ APEC2011: High-Current 15-A, 25-A SWIFT™ TI @ APEC2011: High-Current 15-A, 25-A SWIFT™
Applications engineer Peter Miller demonstrates TI's new 15-A, 14-V SWIFT™ step-down regulator with integrated NexFET™ and the new TPS56221, 25-A, 14-V SWIFT converter.

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TI @ APEC2011: Intelligent Lighting TI @ APEC2011: Intelligent Lighting
'TI highlighted all aspects of intelligent lighting, including power conversion, LED driver solutions, intelligent street lighting and smart sensing. The first demonstration is a light bulb replacement solution with TRIAC dimming capability.'

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TI @ APEC2011: NexFET™ Power Stage Efficiency TI @ APEC2011: NexFET™ Power Stage Efficiency
Demonstration of TI's CSD86350Q5D NexFET™ Power Block and new CSD96370Q5M NexFET Power Stage power MOSFETs. Half the size of discrete MOSFETs. 2% higher power efficiency.

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TI Solutions for Tablets: Processor, Audio, Power TI Solutions for Tablets: Processor, Audio, Power
A tablet is a handheld electronic device primarily designed to run multimedia and web-based applications which require considerable processing power. A Tablet’s main advantage over a laptop PC is its portability which comes from its small form factor and less number of peripheral devices.

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TI@APEC2011: LED TV Backlight + Green Rectifier Demo TI@APEC2011: LED TV Backlight + Green Rectifier Demo
Green Rectifier(tm) Resonant LLC Power Solution. 90%+ efficiency, light-load management. UCC25600 LLC resonant controller with Green Mode control. UCC24610 Green Rectifier controller improves efficiency by 5%. Lower system cost with 10% fewer external components.

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bqTESLA Development Kit Overview Qi Compliant Wireless Power bqTESLA Development Kit Overview Qi Compliant Wireless Power
The bqTESLA100LP low power wireless power evaluation kit from Texas Instruments is a high performance, easy-to-use development kit for the design of wireless power solutions such as smartphones, MP3 players, global positioning systems (GPS) and etc.

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Implementing battery monitoring technology for UPS Implementing battery monitoring technology for UPS
Upal Sengupta interviews Product Marketing Engineer, Matthew Borne on TI's bq76pl536 lithium battery monitor for commercial backup power applications.

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Compact Power -- 600-mA fully integrated step-down solution Compact Power -- 600-mA fully integrated step-down solution
Industry’s smallest integrated 600-mA power solution at 6.7 mm2, providing 90 mA/mm2. The device combines all external components in TI’s new MicroSiP™ package with a 1-mm height.

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TPS84620 Demo: 6-A, 14.5-V Point-of-Load Solution TPS84620 Demo: 6-A, 14.5-V Point-of-Load Solution
Highly integrated step-down solution in a QFN package with high density and efficiency and 30% better thermal dissipation compared to competitor solutions.

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Texas Instruments: bq24150 Fully Integrated Switch-Mode One-Cell Li-Ion Charger Texas Instruments: bq24150 Fully Integrated Switch-Mode One-Cell Li-Ion Charger
The bq24150/1 is a compact, flexible, high-efficiency, USB-friendly switch-mode charge management device for single-cell Li-ion & Li-polymer batteries used in a wide range of portable applications. It features full USB compliance and USB-OTG support.

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Texas Instruments: Smallest 6-A, 17-V DC/DC -- TPS54620 SWIFT Texas Instruments: Smallest 6-A, 17-V DC/DC -- TPS54620 SWIFT
TI's TPS54620 is the industry's smallest single-chip, 6-A step-down switcher with integrated FETs. The 95-percent efficient device is 60 percent smaller than today's multi-chip converters.

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NexFET™ Power Block NexFET™ Power Block
This video introduces the NexFET™ Power Block, this 40-A MOSFET delivers maximum efficiency, frequency and power density in half the size of discretes.

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